Year-round weather and climate in Gunsan, South Korea

Average temperatures in Gunsan run from an average low of -3°C27°F in January up to an average high of 30°C86°F in August. March is the driest month at 6 rainy days; July the wettest at 18. Here is the annual climate data, so you know what you are packing for.

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Good to know

Population
265K
Currency
KRW
Language
Korean
Time zone
Seoul

Best time to visit

For the warmest temperatures and best chance of outdoor activities, plan your trip around April, May, and June.

Rain character

Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.

Day-to-night swing

Evening Chill: Temperatures drop by a noticeable 9°C16°F when the sun goes down. A light sweater or jacket is usually all you need for evening plans.

Seasonality Profile

True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.

Evening vibe

Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.

Sightseeing stamina

All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.

Average temperatures, sunshine, and rainfall

Average monthly weather in Gunsan, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.

Bars span the average daily low to high. Mar is typically driest at 6 days (46mm); Jul the wettest at 18 days (433mm).

Average monthly weather in Gunsan, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
MonthAverage highAverage lowSunshine hoursRainy daysTotal rainfall
Jan5°C / 41°F-3°C / 27°F7h737mm
Feb6°C / 43°F-1°C / 30°F7h750mm
Mar12°C / 53°F3°C / 38°F9h646mm
Apr17°C / 63°F8°C / 47°F9h780mm
May21°C / 69°F13°C / 56°F9h9147mm
Jun25°C / 77°F19°C / 66°F10h10187mm
Jul29°C / 84°F24°C / 75°F9h18433mm
Aug30°C / 86°F25°C / 77°F11h14141mm
Sep27°C / 81°F21°C / 70°F8h13212mm
Oct21°C / 69°F13°C / 56°F8h988mm
Nov14°C / 58°F6°C / 43°F8h761mm
Dec7°C / 45°F0°C / 33°F6h1068mm

Weather data by Open-Meteo.com (opens in a new tab)

Frequently Asked Questions

When is the sunniest time of year to visit Gunsan?

The most sunshine in Gunsan comes around August, averaging 11 hours a month. If you're heading there then, pack your sunglasses and sunscreen.

What clothes should I pack for Gunsan?

Your packing list depends entirely on when you travel. Temperatures in Gunsan swing from an average low of -3°C27°F in January up to 30°C86°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.

Do I need to pack an umbrella for Gunsan?

Gunsan gets rain on about 117 days out of the year. The wettest month is July. If you're traveling during the rainy season, you'll definitely want to pack an umbrella and a light rain jacket.

Going to Gunsan?

Pack smarter.

Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Gunsan with Packola.

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